What is the next term in the sequence?
6, 11/2 , 5 , 9/2 , 4
What did you do to get your answer?

Question

amistre64 · Answer

what type of sequence are we looking at?  arith. or geom?

amistre64 · Answer

or random?

anonymous · Answer

It just says make a conjecture about the next item in each sequence

amistre64 · Answer

$$\frac{12,11,10,9,8,...}{2}$$

anonymous · Answer

So I guess it's random

anonymous · Answer

$${12 \over 2}, {11 \over 2}, {10 \over 2}, {9 \over 2}, {8 \over 2}, {{(13-n)} \over 2}={7 \over 2}$$

anonymous · Answer

the only thing I know is that you subtract 1/2 and get the previous number, but I don't know how to get the next number

amistre64 · Answer

its arithmetic, just have to make them all match denoms

anonymous · Answer

Oh I see

amistre64 · Answer

if you know to subtract 1/2; then by all means do it

anonymous · Answer

Thanks

anonymous · Answer

Hey, but do you know a quick way of figuring this out?